20988592

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6217}}^1$

素因数の和:6436

約数の個数: 20

約数和(自身を含む): 40864696

約数和(自身を除く): 19876104

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6217, 12434, 24868, 49736, 99472, 1311787, 2623574, 5247148, 10494296, 20988592]

約数ペア:

[(1, 20988592), (2, 10494296), (4, 5247148), (8, 2623574), (16, 1311787), (211, 99472), (422, 49736), (844, 24868), (1688, 12434), (3376, 6217)]